PartnerNOC

For security purposes, the username should not contain command words like 'test' or 'demo', and should not be the first 8 letters of the domain name. Hackers try those first and that makes it much easier for them to brute force hack.

You do know there is an API for Cpanel and also a number of account creation
scripts already built and floating around, right? I've written and have a
collection of a sizable number of them in archive myself.